System in hung state due to the access to frozen filesystem

Issue

• System shows lots of below type of messages.

[8976758.664618] INFO: task kworker/0:4:18826 blocked for more than 120 seconds.
[8976758.666179] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[8976758.667690] kworker/0:4     D ffff9cf8e9a55280     0 18826      2 0x00000080
[8976758.667753] Workqueue: xfs-eofblocks/dm-6 xfs_eofblocks_worker [xfs]
[8976758.667756] Call Trace:
[8976758.667765]  [<ffffffffa6d891b9>] schedule+0x29/0x70
[8976758.667802]  [<ffffffffa6851571>] __sb_start_write+0xe1/0x120
...